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When to go · Ulaanbaatar

Ulaanbaatar in May

Good month. Cool and dry; camps start to open.

Key facts

Verdict
Good
Temperature
17°C (63°F) / 3°C (37°F)
average high / low
Rain days
5
Crowds
Low
Mongolia overall
Prices
Medium
Mongolia overall

Verdict

GoodVoykit month rating for Ulaanbaatar

Cool and dry; camps start to open.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than May?

May is rated good. These months rate higher:

Weather in May

Long-term averages
  • UlaanbaatarHighs around 17 °C (63 °F), lows around 3 °C (37 °F), rain on about 5 days
  • Ulaanbaatar and the centre, Mongolia · Ulaanbaatar, Terelj, Kharkhorin, Orkhon valleyfine

    Coldest capital in the world: January averages about −20 °C (−4 °F). Coal and ger-stove smoke make winter air among the worst anywhere Nov–Feb. Summer is 20–28 °C (68–82 °F) by day with afternoon showers in July–August.

Thaw and shoulder season

Cold nights, dusty winds and warming days; camps start to open.

Watch: Mud, dust and closed countryside camps in April.

Crowds and prices

Crowds · Mongolia overall
Low
Prices · Mongolia overall
Medium

Mongolia overall: Gobi is workable but windy; the north is still cold. Camps open from mid-month.

Compare two months

Weather, crowds and prices for any two months in Ulaanbaatar, side by side.

  • Verdict

    May: Good

    Jun: Great (better)

  • Daytime high

    May: 17 °C (63 °F)

    Jun: 22 °C (72 °F)

  • Night low

    May: 3 °C (37 °F)

    Jun: 9 °C (48 °F)

  • Rain days

    May: 5 (better)

    Jun: 9

  • Crowds

    May: Low

    Jun: Medium

  • Prices

    May: Medium

    Jun: Medium

  • Festivals listed

    May: 0

    Jun: 1

May: Cool and dry; camps start to open.

June: Warm, long days; camps open.

Ulaanbaatar: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm coat, hat and gloves for mornings and evenings

Build the full packing list for your trip →

Across Mongolia in May →